Hi, developers:
I have a question about the information of "ceph -s" result.
The replication size is 2, and I check the ceph mount directory info with
root@MON1:~# ls -l /mnt/ceph/
total 16252928
-rw-r--r-- 1 root root 1073741824 2011-08-02 14:30 0802_1M_1
-rw-r--r-- 1 root root 1073741824 2011-08-02 14:31 0802_1M_2
-rw-r--r-- 1 root root 1073741824 2011-08-02 14:31 0802_1M_3
-rw-r--r-- 1 root root 1073741824 2011-08-02 14:32 0802_1M_4
-rw-r--r-- 1 root root 1073741824 2011-08-02 14:33 0802_1M_5
-rw-r--r-- 1 root root 536870912 2011-08-02 14:50 0802_4k_1
-rw-r--r-- 1 root root 536870912 2011-08-02 14:55 0802_4k_2
-rw-r--r-- 1 root root 536870912 2011-08-02 15:01 0802_4k_3
-rw-r--r-- 1 root root 1073741824 2011-08-02 14:21 0802_4M_1
-rw-r--r-- 1 root root 1073741824 2011-08-02 14:22 0802_4M_2
-rw-r--r-- 1 root root 1073741824 2011-08-02 14:23 0802_4M_3
-rw-r--r-- 1 root root 1073741824 2011-08-02 14:23 0802_4M_4
-rw-r--r-- 1 root root 1073741824 2011-08-02 14:24 0802_4M_5
-rw-r--r-- 1 root root 1073741824 2011-08-02 14:24 0802_4M_6
-rw-r--r-- 1 root root 536870912 2011-08-02 14:39 0802_64k_1
-rw-r--r-- 1 root root 536870912 2011-08-02 14:40 0802_64k_2
-rw-r--r-- 1 root root 536870912 2011-08-02 14:41 0802_64k_3
-rw-r--r-- 1 root root 536870912 2011-08-02 14:42 0802_64k_4
-rw-r--r-- 1 root root 536870912 2011-08-02 14:42 0802_64k_5
-rw-r--r-- 1 root root 536870912 2011-08-02 14:43 0802_64k_6
Total data size in cephfs is 15.5 GB.
I run "ceph -s" to check the file system usage, it shows:
root@MON1:~# ceph -s
2011-08-02 15:12:03.476151 pg v946: 1782 pgs: 1782 active+clean;
15995 MB data, 33880 MB used, 38859 GB / 40974 GB avail
2011-08-02 15:12:03.480076 mds e10: 1/1/1 up {0=a=up:active}
2011-08-02 15:12:03.480113 osd e7: 9 osds: 9 up, 9 in
2011-08-02 15:12:03.480183 log 2011-08-02 14:12:32.391116 mon0
192.168.10.1:6789/0 13 : [INF] mds0 192.168.10.2:6800/1716 up:act
2011-08-02 15:12:03.480263 mon e1: 1 mons at {a=192.168.10.1:6789/0}
but when I remove all the file in ceph FS using
root@MON1:~# rm -rf /mnt/ceph/0802_*
I check ceph data used again with ceph -s
root@MON1:~# ceph -s
2011-08-02 15:20:05.265826 pg v958: 1782 pgs: 1782 active+clean;
6779 MB data, 15428 MB used, 38877 GB / 40974 GB avail
2011-08-02 15:20:05.269863 mds e10: 1/1/1 up {0=a=up:active}
2011-08-02 15:20:05.269900 osd e7: 9 osds: 9 up, 9 in
2011-08-02 15:20:05.269965 log 2011-08-02 14:12:32.391116 mon0
192.168.10.1:6789/0 13 : [INF] mds0 192.168.10.2:6800/1716 up:act
2011-08-02 15:20:05.270045 mon e1: 1 mons at {a=192.168.10.1:6789/0}
Make sure that all files are deleted....
root@MON1:~# ls -lh /mnt/ceph/
total 0
Is there anyone know why it still shows {6779 MB data, 15428 MB used} ?
6779 MB data means?
Thanks for your help. :-)
Best Regard,
Anny
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